Replacing the Bottom Rollers on Garage Doors - DDM Garage Doors Blog

Posted December 15th, 2017 at 6:59 pm by Dan Musick

The most dangerous part of replacing garage door rollers is replacing the bottom rollers. The bottom fixture not only holds the roller, but the bottom of the cable secures to the bottom fixture. Tension from the spring pulls on the cable, making removal of the bottom fixture extremely dangerous.

Several years ago, we posted a YouTube video titled “How to Replace Your Garage Door Rollers.” In the video, we showed a way to bend the tracks to replace all the rollers, including the bottom rollers. However, some people prefer not to bend the tracks. In a recent e-mail exchange, William S. of Las Vegas shared his ideas on how to replace the bottom rollers without bending the tracks. Since the topic was fresh on my mind, I decided to post this blog.

For safety, it is best to replace the bottom roller on one side at a time.

First, open the door and mark the bottom of the track where it meets the garage floor.

A person using a permanent marker to mark where the bottom of the  track meets the floor.

Next, remove the track bolts and nuts that secure the track to the track brackets.

A person removing the nuts and bolts off of a bracket that is secured to the garage door track.

There are normally two or three track brackets, or jamb brackets on each vertical track.

Now, remove the two nuts that secure the top of the track to the flag bracket. Then, check to make sure the bottom of the door is above the top of the vertical track.

A person using a ratchet is removing two nuts from a flag bracket.

After the removal of the fasteners, you can remove the vertical track.

A person removing a garage door vertical track.

Carefully pull down on the bottom of the door until the bottom roller clears the bottom of the flag bracket.

A person pulling down on the door until the bottom roller is shown clearing the bottom of the flag bracket.

At this point you can remove the old roller and install the new one.

A person shown removing the old roller from the garage door.

To complete the job simply reverse the steps above, and then go to the other side of the door to replace the other bottom roller.

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